SMDJ43A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	69.4V
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Current - Peak Pulse (10/1000µs):	43.2A
Series:	SMDJ
Voltage - Breakdown (Min):	47.8V
Voltage - Reverse Standoff (Typ):	43V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Transient voltage suppression diodes (TVS diodes) are a type of diode designed to protect sensitive electronics from voltage transients. They are designed to absorb transient voltage spikes and protect the electronic components from damage. The SMDJ43A is one of the most commonly used TVS diodes. SMDJ43A is a unidirectional device specifically designed to protect sensitive electronic equipment from voltage transients. The SMDJ43A has a working voltage withstanding 2.4 volts and a maximum power dissipation of 600 mW (1000 mW peak). The operating temperature range is -55°C to +150°C. This device offers excellent clamping capability, very fast response time and excellent power handling capability.The SMDJ43A is widely used in many industries, including automotive, telecommunications, computers, and consumer electronics. It can also find application in the protection of motor control, LCD displays and other sensitive equipment.The working principle of the SMDJ43A is based on a junction breakdown effect. When the voltage applied to the diode exceeds the breakdown voltage, a large surge of current flows through the device. This current is limited by the device\'s internal resistance and the power dissipation capability of the SMDJ43A. The device then quickly switches back to its original state and the current flow is stopped.The SMDJ43A features a low reverse leakage current and a low capacitance value which allow for enhanced EMI/RFI suppression and greater flexibility in the design of the application. It is also designed for high immunity to temperature and moisture variations, making it extremely reliable. The SMDJ43A is capable of withstanding high-surge currents and provides excellent power handling capabilities.The SMDJ43A is one of the most reliable and cost-effective solutions for transient protection circuits. It offers superior protection from voltage transients, fast response time and excellent clamping capability. The SMDJ43A is an ideal choice for any application that requires protection from voltage transients.

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